xref: /llvm-project/llvm/test/Analysis/ScalarEvolution/saturating-intrinsics.ll (revision 50153213c80286c6c91da4612aaf234cc6438c63) 
1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
2; RUN: opt -disable-output "-passes=print<scalar-evolution>" < %s 2>&1 | FileCheck %s
3
4declare i32 @llvm.uadd.sat.i32(i32, i32)
5declare i32 @llvm.sadd.sat.i32(i32, i32)
6declare i32 @llvm.usub.sat.i32(i32, i32)
7declare i32 @llvm.ssub.sat.i32(i32, i32)
8declare i32 @llvm.ushl.sat.i32(i32, i32)
9declare i32 @llvm.sshl.sat.i32(i32, i32)
10
11define i32 @uadd_sat(i32 %x, i32 %y) {
12; CHECK-LABEL: 'uadd_sat'
13; CHECK-NEXT:  Classifying expressions for: @uadd_sat
14; CHECK-NEXT:    %z = call i32 @llvm.uadd.sat.i32(i32 %x, i32 %y)
15; CHECK-NEXT:    --> (((-1 + (-1 * %y)) umin %x) + %y)<nuw> U: full-set S: full-set
16; CHECK-NEXT:  Determining loop execution counts for: @uadd_sat
17;
18  %z = call i32 @llvm.uadd.sat.i32(i32 %x, i32 %y)
19  ret i32 %z
20}
21
22define i32 @sadd_sat(i32 %x, i32 %y) {
23; CHECK-LABEL: 'sadd_sat'
24; CHECK-NEXT:  Classifying expressions for: @sadd_sat
25; CHECK-NEXT:    %z = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %y)
26; CHECK-NEXT:    --> %z U: full-set S: full-set
27; CHECK-NEXT:  Determining loop execution counts for: @sadd_sat
28;
29  %z = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %y)
30  ret i32 %z
31}
32
33define i32 @usub_sat(i32 %x, i32 %y) {
34; CHECK-LABEL: 'usub_sat'
35; CHECK-NEXT:  Classifying expressions for: @usub_sat
36; CHECK-NEXT:    %z = call i32 @llvm.usub.sat.i32(i32 %x, i32 %y)
37; CHECK-NEXT:    --> ((-1 * (%x umin %y)) + %x) U: full-set S: full-set
38; CHECK-NEXT:  Determining loop execution counts for: @usub_sat
39;
40  %z = call i32 @llvm.usub.sat.i32(i32 %x, i32 %y)
41  ret i32 %z
42}
43
44define i32 @ssub_sat(i32 %x, i32 %y) {
45; CHECK-LABEL: 'ssub_sat'
46; CHECK-NEXT:  Classifying expressions for: @ssub_sat
47; CHECK-NEXT:    %z = call i32 @llvm.ssub.sat.i32(i32 %x, i32 %y)
48; CHECK-NEXT:    --> %z U: full-set S: full-set
49; CHECK-NEXT:  Determining loop execution counts for: @ssub_sat
50;
51  %z = call i32 @llvm.ssub.sat.i32(i32 %x, i32 %y)
52  ret i32 %z
53}
54
55define i32 @ushl_sat(i32 %x, i32 %y) {
56; CHECK-LABEL: 'ushl_sat'
57; CHECK-NEXT:  Classifying expressions for: @ushl_sat
58; CHECK-NEXT:    %z = call i32 @llvm.ushl.sat.i32(i32 %x, i32 %y)
59; CHECK-NEXT:    --> %z U: full-set S: full-set
60; CHECK-NEXT:  Determining loop execution counts for: @ushl_sat
61;
62  %z = call i32 @llvm.ushl.sat.i32(i32 %x, i32 %y)
63  ret i32 %z
64}
65
66define i32 @sshl_sat(i32 %x, i32 %y) {
67; CHECK-LABEL: 'sshl_sat'
68; CHECK-NEXT:  Classifying expressions for: @sshl_sat
69; CHECK-NEXT:    %z = call i32 @llvm.sshl.sat.i32(i32 %x, i32 %y)
70; CHECK-NEXT:    --> %z U: full-set S: full-set
71; CHECK-NEXT:  Determining loop execution counts for: @sshl_sat
72;
73  %z = call i32 @llvm.sshl.sat.i32(i32 %x, i32 %y)
74  ret i32 %z
75}
76